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2019-03-04. How Did We Miss This? An Upper Atmospheric Discovery Named STEVE.

posted Mar 9, 2019, 12:08 PM by Alan Gould
By Bea Gallardo-Lacourt, Gareth W. Perry, William E. Archer, and Eric Donovan, Eos/AGU. [https://eos.org/features/how-did-we-miss-this-an-upper-atmospheric-discovery-named-steve] For GSS Energy Flow chapter 5. Excerpt: On 15 January 2016, highly skilled auroral photographers and citizen scientists of the Facebook group Alberta Aurora Chasers shared photographs of a unique optical form with Elizabeth MacDonald, a NASA space weather scientist and the creator of the aurora reporting website Aurorasaurus, and Eric Donovan, an expert in auroral physics at the University of Calgary. The pictures featured ribbons of white and mauve hues in the sky. Seen with the naked eye or through true-color imaging, the feature’s emissions and morphology are striking in how they stand apart from any other optical phenomena in the region. The strange sight had been documented for decades by amateur auroral photographers but had not yet been noticed by the scientific community....  
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